While using QuickBooks software when a user tries to open the original client files or their backup, the users face QuickBooks File Error 6147. This article will give you a bird’s eye view about the causes of QuickBooks Error 6147, its effects and possible troubleshooting solutions to fix the error and related issues. The mentioned error may be caused because of a damaged or corrupted company file with (.QBW) extension. The backup file name, including its path as well, maybe exceeding the limit of 210 characters and hence can be a reason for the error. You must have attempted to restore the backup of the company file with (.QBB) extension from a network drive.